/* * Copyright (C) 2010 Pete Reisinger <p.reisinger@gmail.com>. * * This program is free software: you can redistribute it and/or modify it under the terms of the * GNU General Public License as published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along with this program. If * not, see <http://www.gnu.org/licenses/>. */ package paypalnvp.request; import paypalnvp.util.Validator; import java.util.HashMap; import java.util.Map; /** * RefundTransaction Request Message * * @author Pete Reisinger * <p.reisinger@gmail.com> * . */ @SuppressWarnings("serial") public final class RefundTransaction implements Request { /** * Method value of this request */ private static final String METHOD_NAME = "RefundTransaction"; /** * map that holds name value pair request values */ private final Map<String, String> nvpRequest; /** * map that holds name value pair response values */ private Map<String, String> nvpResponse; /** * Transaction id cannot be longer than 17 characters and cannot be null, if it is, exception is * thrown. * * @param transactionId Unique identifier of a transaction. Character length and limitations: 17 * single-byte alphanumeric characters. * @param refund type of refund you are making * @throws IllegalArgumentException */ private RefundTransaction(String transactionId, RefundType refund) throws IllegalArgumentException { /* validation */ if (transactionId == null || transactionId.length() > 17) { throw new IllegalArgumentException("Transaction id cannot be " + "longer than 17 characters"); } /* set instance variables */ nvpResponse = new HashMap<String, String>(); nvpRequest = new HashMap<String, String>(); nvpRequest.put("METHOD", METHOD_NAME); nvpRequest.put("TRANSACTIONID", transactionId); nvpRequest.put("REFUNDTYPE", refund.toString()); } /** * Transaction id cannot be longer than 17 characters and cannot be null, if it is, exception is * thrown. * * @param transactionId Unique identifier of a transaction. Character length and limitations: 17 * single-byte alphanumeric characters. * @return RefundTransaction where type is set to Full. * @throws IllegalArgumentException */ public static RefundTransaction getFullRefund(String transactionId) throws IllegalArgumentException { return new RefundTransaction(transactionId, RefundType.FULL); } /** * Transaction id and amount has to be valid, otherwise exception is thrown. * * @param transactionId Unique identifier of a transaction. Character length and limitations: 17 * single-byte alphanumeric characters. * @param amount Amount to reauthorize. Limitations: Value is a positive number which cannot * exceed $10,000 USD in any currency. No currency symbol. Must have two decimal places, * decimal separator must be a period (.). * @return RefundTransaction where type is set tu Partial. * @throws IllegalArgumentException */ public static RefundTransaction getPartialRefund(String transactionId, String amount) throws IllegalArgumentException { RefundTransaction rt = new RefundTransaction(transactionId, RefundType.PARTIAL); rt.setAmount(amount); return rt; } /** * Transaction id cannot be longer than 17 characters and cannot be null, if it is, exception is * thrown. * * @param transactionId Unique identifier of a transaction. Character length and limitations: 17 * single-byte alphanumeric characters. * @return RefundTransaction where type is set to Other. * @throws IllegalArgumentException */ public static RefundTransaction getOtherRefund(String transactionId) throws IllegalArgumentException { return new RefundTransaction(transactionId, RefundType.OTHER); } /** * Transaction id and amount has to be valid, otherwise exception is thrown. * * @param transactionId Unique identifier of a transaction. Character length and limitations: 17 * single-byte alphanumeric characters. * @param amount Amount to reauthorize. Limitations: Value is a positive number which cannot * exceed $10,000 USD in any currency. No currency symbol. Must have two decimal places, * decimal separator must be a period (.). * @return RefundTransaction where type is set tu Other. * @throws IllegalArgumentException */ public static RefundTransaction getOtherRefund(String transactionId, String amount) throws IllegalArgumentException { RefundTransaction rt = new RefundTransaction(transactionId, RefundType.OTHER); rt.setAmount(amount); return rt; } /** * Refund amount. Amount is required if RefundType is Partial. NOTE:If RefundType is Full, do not * set the Amount. * * @param amount Amount to reauthorize. Limitations: Value is a positive number which cannot * exceed $10,000 USD in any currency. No currency symbol. Must have two decimal places, * decimal separator must be a period (.). * @throws IllegalArgumentException */ private void setAmount(String amount) throws IllegalArgumentException { if (!Validator.isValidAmount(amount)) { throw new IllegalArgumentException("Amount is not valid. Amount " + "has to have exactly two decimal " + "places seaprated by \".\" - example: \"50.00\""); } nvpRequest.put("AMT", amount); } /** * Custom memo about the refund. * * @param note Character length and limitations: 255 single-byte alphanumeric characters. * @throws IllegalArgumentException */ public void setNote(String note) throws IllegalArgumentException { if (note == null || note.length() > 255) { throw new IllegalArgumentException("Note cannot be longer than 255 " + "characters"); } nvpRequest.put("NOTE", note); } public Map<String, String> getNVPRequest() { return new HashMap<String, String>(nvpRequest); } public Map<String, String> getNVPResponse() { return new HashMap<String, String>(nvpResponse); } public void setNVPResponse(Map<String, String> nvpResponse) { this.nvpResponse = new HashMap<String, String>(nvpResponse); } @Override public String toString() { StringBuffer str = new StringBuffer("instance of "); str.append("GetBillingAgreementCustomer class with the values: "); str.append("nvpRequest - "); str.append(nvpRequest.toString()); str.append("; nvpResponse - "); str.append(nvpResponse.toString()); return str.toString(); } /** * Type of refund you are making */ private enum RefundType { OTHER, FULL, PARTIAL } }